DYNAMICS OF THE REACTION O(1D) + HD, H-2, AND D2 - ISOTOPIC BRANCHING RATIOS AND TRANSLATIONAL ENERGY-RELEASE

被引:51
作者
MATSUMI, Y
TONOKURA, K
KAWASAKI, M
KIM, HL
机构
[1] HOKKAIDO UNIV,GRAD SCH ENVIRONM EARTH SCI,SAPPORO,HOKKAIDO 060,JAPAN
[2] KANGWEON NATL UNIV,DEPT CHEM,CHUNCHON 200701,SOUTH KOREA
关键词
D O I
10.1021/j100205a012
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Doppler profiles of H and D atoms from the reaction of O(1D) with HD and a 1:1 mixture of H-2 and D2 have been measured by a multiphoton ionization technique as well as by a laser-induced fluorescence technique with a vacuum-ultraviolet laser. Isotopic channel branching ratios of PHI(OD+H)/PHI(OH+D) are measured in the reaction of O(1D) + HD at average collision energies E(coll) = 3.4 and 2.4 kcal/mol. In O(1D) + HD, the translational energy released to the OD + H product is almost twice that released to the OH + D product. The measured branching ratios and translational energies suggest that the reaction proceeds via a short-lived complex formed by insertion.
引用
收藏
页码:10622 / 10626
页数:5
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